FULL DETAILS (Read-only)  -> Click Here to Create PDF for Current Dataset of Trial
CTRI Number  CTRI/2025/07/091562 [Registered on: 24/07/2025] Trial Registered Prospectively
Last Modified On: 23/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry
Behavioral 
Study Design  Randomized, Crossover Trial 
Public Title of Study   Comparing the effectiveness of Buzzy device and the usual method in reducing pain and stress during dental injections in children 
Scientific Title of Study   Comparative evaluation of efficacy of Buzzy and conventional technique in reducing pain and anxiety during Inferior Alveolar Nerve Block in children: A Split-Mouth Randomised Crossover Study 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Nabiha Mahmoud 
Designation  PG student 
Affiliation  Government Dental College and Research Institute, Bangalore 
Address  Room no. 5, Department of Pediatric and Preventive dentistry, Government Dental College and Research Institute, Victoria hospital Campus, Fort, Bangalore-560002

Bangalore
KARNATAKA
560002
India 
Phone  8279341862  
Fax    
Email  nabihamhmd08@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr S K Srinath 
Designation  Head of Department  
Affiliation  Government Dental College and Research Institute, Bangalore 
Address  Room no. 5, Department of Pediatric and Preventive dentistry, Government Dental College and Research Institute, Victoria hospital Campus, Fort, Bangalore-560002

Bangalore
KARNATAKA
560002
India 
Phone    
Fax    
Email  srinath.krishnappa@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Nabiha Mahmoud 
Designation  PG student 
Affiliation  Government Dental College and Research Institute, Bangalore 
Address  Room no. 5, Department of Pediatric and Preventive dentistry, Government Dental College and Research Institute, Victoria hospital Campus, Fort, Bangalore-560002

Bangalore
KARNATAKA
560002
India 
Phone  8279341862  
Fax    
Email  nabihamhmd08@gmail.com  
 
Source of Monetary or Material Support  
Government Dental College and Research Institute, Victoria hospital Campus, Fort, Bangalore 560002 
 
Primary Sponsor  
Name  Nabiha Mahmoud 
Address  Room no. 5, Department of Pediatric and Preventive dentistry, Government Dental College and Research Institute, Victoria hospital Campus, Fort, Bangalore-560002 
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Nabiha Mahmoud  Government Dental College and Research Institute  Room no 5, Department of Pediatric and Preventive Dentistry, Government Dental College and Research Institute, Bangalore - 560002
Bangalore
KARNATAKA 
8279341862

nabihamhmd08@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee and Review Board, GDCRI, Bengaluru  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  requiring extraction 
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Buzzy device(Pain Care Labs, Atlanta, GA, USA) 1 minute before and during standard inferior alveolar nerve block  A vibrotactile, cold device placed on the angle of the mandible extraorally for 1 minute before nerve block followed by the inferior alveolar nerve block performed using a 27-gauge needle with 2% lidocaine + 1:80,000 epinephrine, injected at a slow rate of 1 mL/min 
Comparator Agent  Standard inferior alveolar nerve block technique  The inferior alveolar nerve block will be performed using a 27-gauge needle with 2% lidocaine + 1:80,000 epinephrine, injected at a slow rate of 1 mL/min 
 
Inclusion Criteria  
Age From  8.00 Year(s)
Age To  10.00 Year(s)
Gender  Both 
Details  1. Healthy, co-operative children aged 8-10 years with no prior experience of an intraoral local anesthetic injection
2. Mandibular teeth indicated for extraction that warrants the use of bilateral Inferior Alveolar Nerve Block (IANB)
3. Children with Frankl behavior rating in category 3 and 4
 
 
ExclusionCriteria 
Details  1. Children with known allergy to local anesthesia or its components
2. Children on long term systemic medications
 
 
Method of Generating Random Sequence   Random Number Table 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Percentage success of adequate anesthesia  10 minutes after inferior alveolar nerve block administration 
 
Secondary Outcome  
Outcome  TimePoints 
Pain Perception  Before and immediately after inferior alveolar nerve block administration 
Behavioral Response to Pain  During inferior alveolar nerve block administration 
Physiological response to anxiety  Before, during and after inferior alveolar nerve block 
Parental and child acceptance of Buzzy device  After inferior alveolar nerve block administration 
 
Target Sample Size   Total Sample Size="88"
Sample Size from India="88" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   15/08/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  

This is a single-blinded, randomised, split-mouth, crossover clinical trial comparing the efficacy of the BUZZY device and the conventional technique in reducing pain and anxiety during inferior alveolar nerve block (IANB) in children aged 8–10 years. A total of 44 healthy and cooperative children(88 sites) who require bilateral IANB for mandibular teeth extraction will be selected based on specific inclusion and exclusion criteria.

Participants will be randomly allocated to receive IANB with the BUZZY device in one visit and conventional IANB without the device in a crossover manner during the second visit after a two-week washout period. The primary outcome measures will include the percentage success of adequate anesthesia evaluated through subjective and objective signs 10 minutes after the injection, pain perception using the Wong-Baker Facial Rating Scale before and after the injection, behavioral response using the FLACC scale during the injection, physiological indicators of anxiety such as pulse rate measured preoperatively, intraoperatively, and postoperatively using a fingertip pulse oximeter. The secondary outcome includes the parental and child acceptance of the BUZZY device as a counterstimulation aid during local anesthesia. 

 
Close